diff options
Diffstat (limited to 'nxcomp/src/ClearArea.cpp')
| -rw-r--r-- | nxcomp/src/ClearArea.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/nxcomp/src/ClearArea.cpp b/nxcomp/src/ClearArea.cpp new file mode 100644 index 000000000..0cb152d95 --- /dev/null +++ b/nxcomp/src/ClearArea.cpp @@ -0,0 +1,125 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ +/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ +/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ +/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ +/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ +/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ +/* */ +/* NXCOMP, NX protocol compression and NX extensions to this software */ +/* are copyright of the aforementioned persons and companies. */ +/* */ +/* Redistribution and use of the present software is allowed according */ +/* to terms specified in the file LICENSE.nxcomp which comes in the */ +/* source distribution. */ +/* */ +/* All rights reserved. */ +/* */ +/* NOTE: This software has received contributions from various other */ +/* contributors, only the core maintainers and supporters are listed as */ +/* copyright holders. Please contact us, if you feel you should be listed */ +/* as copyright holder, as well. */ +/* */ +/**************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "ClearArea.h" + +#include "ClientCache.h" + +#include "EncodeBuffer.h" +#include "DecodeBuffer.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Here are the methods to handle messages' content. +// + +int ClearAreaStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + ClearAreaMessage *clearArea = (ClearAreaMessage *) message; + + // + // Here is the fingerprint. + // + + clearArea -> exposures = *(buffer + 1); + + clearArea -> window = GetULONG(buffer + 4, bigEndian); + + clearArea -> x = GetUINT(buffer + 8, bigEndian); + clearArea -> y = GetUINT(buffer + 10, bigEndian); + clearArea -> width = GetUINT(buffer + 12, bigEndian); + clearArea -> height = GetUINT(buffer + 14, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +int ClearAreaStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + ClearAreaMessage *clearArea = (ClearAreaMessage *) message; + + // + // Fill all the message's fields. + // + + *(buffer + 1) = clearArea -> exposures; + + PutULONG(clearArea -> window, buffer + 4, bigEndian); + + PutUINT(clearArea -> x, buffer + 8, bigEndian); + PutUINT(clearArea -> y, buffer + 10, bigEndian); + PutUINT(clearArea -> width, buffer + 12, bigEndian); + PutUINT(clearArea -> height, buffer + 14, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush; + #endif + + return 1; +} + +void ClearAreaStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + ClearAreaMessage *clearArea = (ClearAreaMessage *) message; + + *logofs << name() << ": Identity exposures " << (unsigned int) clearArea -> exposures + << ", window " << clearArea -> window << ", x " << clearArea -> x + << ", y " << clearArea -> y << ", width " << clearArea -> width + << ", height " << clearArea -> height << ", size " << clearArea -> size_ + << ".\n"; + + #endif +} + +void ClearAreaStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + md5_append(md5_state_, buffer + 1, 1); + md5_append(md5_state_, buffer + 4, 4); + md5_append(md5_state_, buffer + 8, 2); + md5_append(md5_state_, buffer + 10, 2); + md5_append(md5_state_, buffer + 12, 2); + md5_append(md5_state_, buffer + 14, 2); +} |